Western Dakota Bank
Timber Lake, South Dakota, Dewey County
$86M in total assets, the 3,848th largest of 4,309 US banks and 45th of 58 headquartered in South Dakota.
- FDIC certificate
- 492
- Established
- 1919
- Owned by
- Western Dakota Holding Co
- Primary regulator
- FDIC
- Website
- www.westerndakotabank.com
At a glance
Compared with 13 banks headquartered in South Dakota with under $100 million in assets, as of June 30, 2026.
| Measure | This bank | Percentile | Peer range, middle 90% | Peer median |
|---|---|---|---|---|
| Total assets | $86M | 98% | $58M | |
| Loans | $28M | 54% | $22M | |
| Deposits | $77M | 98% | $46M | |
| Return on assets | 1.29% | 54% | 1.13% | |
| Net interest margin | 3.20% | 31% | 3.80% | |
| Efficiency ratio | 62.3% | 38% | 65.6% | |
| Equity to assets | 9.22% | 8% | 11.51% | |
| Loans to deposits | 36% | 15% | 46% |
Growth
Total assets grew 11.0% a year over the last 5 years and 9.0% a year over 10 years, without acquisitions.
Where they operate
2 branches in 1 county.
Largest markets by deposits
| County | Deposits | Market share | Rank |
|---|---|---|---|
| Dewey County, SD | $77M | 52.2% | 1 of 2 |
Deposits by branch from the FDIC Summary of Deposits, June 2026. Rank among all banks with branches in that county.
Branch history since 2016
Net loss of 1 branch since 2016 (3 to 2, −33.3%). 0 opened, 0 acquired, 1 closed or sold.
| Period | What happened | Opened or acquired | Closed or sold | Net change | Branches at end |
|---|---|---|---|---|---|
| Start of 2016 | Starting point | 3 | |||
| 2022 | Closed Eagle Butte | 0 | 1 | −1 | 2 |
Balance sheet and earnings
Loans by type
| Type | Share | This bank | Peers |
|---|---|---|---|
| Agricultural | 50% | 35% | |
| Farmland | 29% | 17% | |
| Commercial real estate | 9% | 7% | |
| Business (C&I) | 8% | 16% | |
| Consumer | 4% | 10% | |
| Multifamily | 1% | 0% | |
| 1-4 family residential | 0% | 15% |
Deposits by type
| Type | Share | This bank | Peers |
|---|---|---|---|
| Other interest-bearing | 50% | 40% | |
| Time deposits | 27% | 36% | |
| Noninterest-bearing | 24% | 24% |
Brokered deposits are 0.0% of deposits (peers 3.6%).
Return on assets
Trailing four quarters, with the peer median.
Credit and capital
| This bank | Peer median | |
|---|---|---|
| Noncurrent loans | 0.62% | 0.07% |
| Net charge-offs, annualized | 0.01% | 0.00% |
| Reserves to loans | 1.48% | 1.61% |
| Leverage ratio | 9.20% | 12.37% |
Noncurrent loans exclude government-guaranteed portions.
Related banks
Similar size in South Dakota
Largest competitors in Dewey County, SD
Figures as of June 30, 2026 from the bank's Call Report, FDIC structure and branch data, and the Federal Reserve. Short link: bankingstats.com/western-dakota